Finding the Fourth Proportional to 191,270.88, 286,800.99 and 78,925.56
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Solution
The fourth proportional to 191,270.88, 286,800.99 and 78,925.56 is: 118,344.88
Step by Step Solution
- Step 1: Write the proportion equation
191,270.88 : 286,800.99 = 78,925.56 : x - Step 2: Convert to fraction form
191,270.88/286,800.99 = 78,925.56/x - Step 3: Cross multiply
191,270.88x = 286,800.99 × 78,925.56 - Step 4: Simplify right side
191,270.88x = 22,635,928,744.30 - Step 5: Solve for x
x = 22,635,928,744.30/191,270.88 - Step 6: Final answer
x = 118,344.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.